A dreadful move $1 The king cuts the communication between the rooks, and this is all White needs to organize his heavy pieces with decisive effect.
20. e5d6  20... e8f8 For the price of a pawn, Duda has managed to keep the opponent's king in the danger zone, but Vidit is quickly running toward safety. The price of every move increases drastically. 21. e3e7  21... f8g7  22. e7e5 Centralizing the queen with a tempo is the human choice.